The Ring,electrical Contact, cataloged under National Stock Number 5977-01-033-0169, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Spencer Industries Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-033-0169 |
| Primary Part Number | 121B627H01 |
| Item Name | Ring,electrical Contact |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Spencer Industries Inc |
| Status | ACTIVE |
| Supplementary Features | ALUMINUM QUALITY IS QQ-A-250/1,TEMP H14 |
| Outside Diameter | 0.016 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 121B627H01 | Ridge Engineering, Llc. (USA) |
| 121B627H01 PRIMARY | Spencer Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 121B627H01 | 5/9 Secondary reference U.S. Government activity |
NSN 5977-01-033-0169 is a Ring,electrical Contact, manufactured by Spencer Industries Inc, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-033-0169 has 2 manufacturer part numbers on file: 121B627H01 (Ridge Engineering, Llc.), 121B627H01 (Spencer Industries Inc).
Key specifications for 121B627H01: Supplementary Features: ALUMINUM QUALITY IS QQ-A-250/1,TEMP H14; Overall Length: 1.865 INCHES NOMINAL IN; Outside Diameter: 0.016 INCHES NOMINAL IN; Material: ALUMINUM. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.